Answer: 3 hours spent on homework in 5 days
Step-by-step explanation:
3/5 of an hour is 36 min.
Multiply 36 by the number of days he spent doing homework (5)
36x5=180 and 180 is equivalent to 3 hrs.
Answer:
1. Option D.
2. Option A.
Step-by-step explanation:
1. You need to follow these steps in order to estimate the sum of
:
Step 1: Add the digits in the ones places of the whole numbers (these are: 8, 9 and 5).
Step 2: Round the decimals to the nearest whole number:
Step 3: Add them together:
2. The procedure to estimate the difference of
is:

Rounded to the nearest whole number:

Answer:
If they are reflection. I think they are congruent
Step-by-step explanation:
Answer:
y=20-3x
Step-by-step explanation:
Answer:
1/2 (60)
Step-by-step explanation: